double-casing volute pump 双涡壳泵

casing volute pump 双涡壳泵

double-casing volute pump coupling 双涡壳泵联轴器

Volute Casing 泵壳 ; 蜗形壳 ; [机] 蜗壳 ; 涡壳

double casing volute pump 双壳旋涡泵

double volute casing [机] 双蜗形体

volute casing pump 蜗壳泵

volute pump casing 蜗壳式泵壳

volute casing cover 联结蜗壳底盘